Monday, January 21, 2019

Boiler Inspection Tube Thickness, Corrosion Inspection

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There are two types of steam boilers. One is the fire tube, which is made from one combustion chamber and many tubes.

The hot gases that are produced during the combustion process pass from inside the tubes and make a heat transfer with the water that is on the outside of the tubes.

The other type is a water tube steam boiler. It is just the opposite of the fire tube steam boiler; the water is in the inside of the tubes and the hot gases are on the outside of the tubes.

In the fire tube boiler, we have a limitation on the combustion chamber diameter and length, and it cannot exceed a certain value. So for large-scale industry, generally the water tube boilers are used.

1. The purpose of boiler life assessment
2. Life Evaluation by Inspection
3. Preparations for Inspection
4. Data requirement
5. Inspection of high pressure parts.
6. Sample tube inspection.
7. Visual inspection for other parts of boiler .
8. Water quality survey.
9. Visual Inspection for aux Equipment
10. high pressure parts Inspection details

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